﻿Public Class _Default
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

    End Sub

    Protected Sub btn_sum_Click(sender As Object, e As EventArgs) Handles btn_sum.Click
        Dim numb1 As Single
        Dim numb2 As Single
        numb1 = CSng(tb_n1.Text)
        numb2 = CSng(tb_n2.Text)

        Dim TSum As Single
        TSum = numb1 + numb2

        lbl_sum.Text = TSum

    End Sub
End Class



